/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets.friends;

import beans.user.UserBean;
import database.Database;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Stephen'sSSD
 */
public class GetFriendsOnTripServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        //UserBean user = (UserBean) request.getSession().getAttribute("userBean");
        int tripId = Integer.parseInt(request.getParameter("tripId"));
        try {
            Connection c = Database.getConnection();
            if (c != null) {
                try {
                    /*
                     *  PLEASE NOTE THIS CODE IS TEMP ON THE AddFriendsToTripServlet so please if any changes are made, make them there
                     * 
                     */
                    PreparedStatement s = c.prepareStatement("SELECT * FROM friendsontrip WHERE tripId = ?");
                    s.setInt(1, tripId);
                    ResultSet rs = s.executeQuery();
                    if (rs.next()) {//Only put if there is a resultSet
                        out.println("<span class='friendsOnTripBanner'>Friends On Trip: </span>");
                        rs.previous(); //return
                    } else {
                        out.println("No Friends On Trip");
                    }
                    while (rs.next()) {
                        PreparedStatement ss = c.prepareStatement("SELECT * FROM user WHERE id = ?");
                        ss.setInt(1, rs.getInt("friendId"));
                        ResultSet rss = ss.executeQuery();
                        while (rss.next()) {
                            out.println("<span class='friendOnTrip'>" + rss.getString("name").trim() + "</span>");
                        }
                        if (!rs.isLast()) {
                            out.println(",&nbsp;");
                        }
                    }
                } catch (SQLException ex) {
                    //Logger.getLogger(GetFriendsOnTripServlet.class.getName()).log(Level.SEVERE, null, ex);
                }

            }

        } finally {
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
